2. SYSTEM CONFIGURATION
2.1 Previous system The previous unmanned vehicle consisted of some components of navigation system, obstacle detecting system, vision system and arbiter system on fig. 1. Each system is connected with organically. The information
and demands of navigation, obstacle detecting and vision system are sent to the arbiter system, so arbiter system calculated data and sent commands to the vehicle system. And then, the vehicle control system controlled the DC and AC servo motor. The development environment of each system is in windows XP professional and the arbiter system communicated with other systems by using TCP/IP. And UDP communication was used between the arbiter system and the vehicle control system. Also, we used wireless LAN for monitoring and remote control.